# CVE-2023-0776: Remote Code Execution in Baicells QRTB Platform

> Remote attackers can execute arbitrary shell commands with root privileges on Baicells LTE eNodeB devices via HTTP command injection.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Feb 2023
- **Updated:** 24 Mar 2025
- **Also known as:** GHSA-5r9j-84ww-47gm

## What is CVE-2023-0776?

CVE-2023-0776 is a high-severity command injection vulnerability in Baicells Neutrino 430, published on 10 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Baicells Nova 436Q, Nova 430E, Nova 430I, and Neutrino 430 LTE TDD eNodeB devices with firmware through QRTB 2.12.7 are vulnerable to remote shell code exploitation via HTTP command injections. Commands are executed using pre-login execution and executed with root permissions. The following methods below have been tested and validated by a 3rd party analyst and has been confirmed exploitable special thanks to Rustam Amin for providing the steps to reproduce.

Weakness: CWE-77 (Improper Neutralization of Special Elements used in a Command), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-0776?

It affects 4 products.


Products: Baicells Neutrino 430 Firmware, Baicells Nova430e Firmware, Baicells Nova430l Firmware, Baicells Nova436q Firmware.

## How do I fix CVE-2023-0776?

No fix has been published for CVE-2023-0776 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-0776 being exploited?

There is no known exploitation of CVE-2023-0776 in the wild and no public exploit code.

## Other vulnerabilities in Baicells Neutrino 430

- [CVE-2022-24693](https://insights.sbomify.com/CVE-2022-24693/): Hardcoded credentials in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-0776 and fix it if it is affected.

What it is: CVE-2023-0776 is a high-severity command injection vulnerability in Baicells Neutrino 430, published on 10 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-0776 in the wild and no public exploit code.

Affected product: Baicells Neutrino 430. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-0776/ (Markdown: https://insights.sbomify.com/CVE-2023-0776/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-0776
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-0776
- OSV: https://osv.dev/vulnerability/CVE-2023-0776

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-0776/
Summaries are generated and may contain mistakes; the official description above is the record.